/Engine/Source/Runtime/CoreUObject/Public/Blueprint/BlueprintSupport.h
Runs all deferred initializers that were dependent on the specified archetype (unless they're dependent on another), and runs Preload() on any objects that had their Preload() skipped as a result.
void ResolveArchetypeInstances ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * ArchetypeKey )